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523 results about "Rice grain" patented technology

Processing method for reducing broken rice rate of commercial rice

The invention discloses a processing method for reducing the broken rice rate of commercial rice, which comprises the following steps: S1, an unhulled rice pretreatment stage: S1a, a multi-stage linkage impurity removal process is adopted, and large impurities, light impurities, metal impurities and stones in unhulled rice are removed through combination of classified screening, airflow separation, magnetic separation and specific gravity stone removal, so that the impurity removal rate is greater than or equal to 99%; s1b, on the basis of a dynamic adaptation model of rice physical characteristics and rice hulling parameters, rice moisture and hardness data are collected in real time through a first detection device, the rice hulling flow and the inter-roller pressure are calculated and adjusted through a control unit, and closed-loop control is achieved; s2, carrying out a color sorting and polishing stage; s3, carrying out a rice milling regulation and control stage; and S4, entering a vacuum packaging stage.
Owner:GUIZHOU HUAHENG AGRI DEV SERVICE CO LTD

Rice drying moisture content fusion prediction method based on stage perception residual learning

The invention relates to a phase perception residual learning-based rice drying moisture content fusion prediction method, which comprises the following steps of: acquiring multi-dimensional data in a rice drying process, preprocessing, dividing three drying phases based on a change rate of relative humidity of waste gas, and continuously optimizing; an improved Page model is constructed, drying coefficients k and n are fitted in stages, k is associated with the hot air temperature through an Arrhenius formula, n is associated with the hot air temperature through a quadratic equation, and a physical baseline predicted value is generated after parameters are optimized through a deep bed test; calculating a residual error between the actual moisture content and the physical baseline, and training the LSTM network by taking the residual error as a target to enable the LSTM network to learn nonlinear features which cannot be described by a physical model; and fusing the physical baseline of the improved Page model and the residual error predicted by the LSTM to obtain a final fusion prediction result. The method not only ensures the physical rationality of the prediction result, but also improves the precision and generalization ability, and is suitable for intelligent regulation and control of the rice drying process.
Owner:HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY

Hyperspectral rice grain waxiness discrimination method based on multi-branch collaborative modeling

Aiming at the problems of low efficiency, strong subjectivity, insufficient modeling ability, complex hyperspectral data noise, weak waxiness spectrum difference and the like of a traditional rice grain waxiness discrimination method, the invention provides a hyperspectral rice grain waxiness discrimination method based on multi-branch collaborative modeling. The method comprises the following steps: S1, acquiring glutinous and non-glutinous rice grain images by using a hyperspectral imaging system to obtain spectral data; s2, preprocessing spectral data through a combined method of SG smoothing, an asymmetric weighted penalty least square method and multivariate scatter correction to reduce noise and interference; s3, constructing a multi-branch modeling architecture which comprises a CNN local feature extraction module, an SRU spectrum sequence modeling module and a HorNet global high-order modeling module, and outputting a discrimination result through a classifier after multi-branch features are subjected to fusion and pooling attention weighting; and S4, evaluating the performance. According to the method, high-precision lossless discrimination of the waxiness is realized, and a technical support is provided for germplasm screening and quality evaluation in rice breeding.
Owner:RICE RES ISTITUTE ANHUI ACAD OF AGRI SCI

Grain specific promoter in early stage of rice filling and application of grain specific promoter

The invention discloses a grain specific promoter in the early stage of rice filling and application thereof, the promoter is named as proASP1, and the nucleotide sequence of the promoter is shown as SEQ ID NO: 1. The promoter has highly strict spatio-temporal expression specificity, the activation expression of the promoter is only limited in grains in the early stage of rice filling (4-12 days after flowering), especially the expression of genes is efficiently driven in endosperm and aleurone layers, and the expression is not leaked in other tissues such as roots, stems, leaves, leaf sheaths and glumes and grains in the middle and later stages of filling. The invention provides a basic and precious molecular tool for gene function research, quality improvement (such as protein and starch synthesis regulation) and bioreactor development in a key window period of rice grain development, and has important scientific research and application values.
Owner:NANJING AGRICULTURAL UNIVERSITY

Grinding process control method based on reinforcement learning

The invention discloses a milling process control method based on reinforcement learning, which comprises the following steps: collecting and processing multi-source process data in real time, normalizing and extracting features, and forming state feature vectors; the state feature vectors are input into a DSAC-T reinforcement learning controller, the opening degree of a feeding valve and the rotation speed adjustment of a main shaft are used as action spaces, a reinforcement learning strategy network is constructed, and a process drift online detection sub-module is integrated; training a controller to maximize the rice yield, minimize the broken rice rate and energy consumption, and combining the process safety index to obtain an optimal strategy; deploying the trained controller in an actual scene, and outputting an adjustment instruction to implement closed-loop control; when the actual rice grain size or broken rice rate exceeds the model prediction deviation, online incremental learning is automatically triggered, and control parameters are optimized; the intelligent, self-adaptive and safe control of the rice milling process is realized. According to the method, adaptive optimization control of the rice milling process is realized, and the method has efficient response capability to dynamic disturbance and abnormal states.
Owner:TANGSHAN CITY CAO THE CAOFEIDIAN AREA WO METER CO LTD

Production area rice quality evaluation method based on multi-dimensional index fusion

The invention discloses a production area rice quality evaluation method based on multi-dimensional index fusion, and the method comprises the steps: determining a subjective weight through employing an analytic hierarchy process, calculating an objective weight through combining with a CRITIC method, and obtaining a comprehensive weight through multiplication integration normalization; establishing an index grading standard based on a sample data quantile, calculating the membership degree of each index by using a reduced half trapezoidal distribution function, and constructing a fuzzy relation matrix; and finally, synthesizing the comprehensive weight and the fuzzy relation matrix, and judging the rice quality grade according to a maximum membership degree principle. Compared with an existing evaluation criterion, the evaluation method comprehensively considers the subjective weight and the objective weight of each index, the rice quality can be evaluated more accurately, and therefore the rice grade is scientifically judged.
Owner:SHANGHAI JIAOTONG UNIV

Grain hyperspectral image classification method based on incremental learning

The invention discloses a grain hyperspectral image classification method based on incremental learning, and belongs to the field of image classification, and the method comprises the following steps: S1, the construction of an experimental data set: selecting a plurality of old-class rice grains and a plurality of new-class rice grains, collecting a fixed number of samples for each class, dividing a historical training set, a historical test set, a new category training set and a new category test set, converting the hyperspectral original data into a Tensor format, and normalizing the hyperspectral original data to [0, 1]; s2, initial model training; s3, new category incremental training: extracting historical category statistical parameters from a feature memory module to construct an anchoring pool, screening Top-3 similar historical categories, embedding a diffusion model noise adding process, injecting spectrum and space priori knowledge to generate virtual samples, performing dual dynamic verification, and combining real and virtual samples to form a new category training set; and calculating the distillation weight based on the spectrum similarity, and training the model through the dual-target distillation loss.
Owner:CHANGCHUN UNIV OF SCI & TECH

Method and device for extracting region of interest of rice and electronic equipment

The invention provides a method and device for extracting a region of interest of rice and electronic equipment, and the method is applied to the technical field of computer vision, and comprises the steps: carrying out the preprocessing of an obtained hyperspectral image of the rice, and obtaining a reference hyperspectral image; obtaining a structure constraint mask, a sparse adjustment mask and a random mask; fusing the structure constraint mask, the sparse adjustment mask and the random mask to obtain a target mask, and performing mask processing on the reference hyperspectral image by using the target mask to obtain a target hyperspectral image; extracting target features of the target hyperspectral image; target features are processed, a hyperspectral image is reconstructed, and a boundary probability graph of the region of interest is output; and determining a mask of interest of the rice according to the boundary probability graph, and extracting a region of interest from the hyperspectral image. According to the method, the structural constraint mask and the random mask are combined, manual intervention is avoided, background noise is suppressed, and the accuracy of region-of-interest extraction is improved.
Owner:奥谱天成(湖南)信息科技有限公司

A method and system for analyzing lead pollution in paddy field soil

The application discloses a kind of rice field soil lead pollution analysis method and system, method includes: obtaining the current soil attribute data set of target rice field and soil moisture content distribution data, combine future expected water management parameters, simulate moisture content space-time variation sequence by soil water migration model;Dissolution-precipitation equilibrium tendency state index of each time step Pb is calculated based on moisture content change and soil attribute, the advancing track of Pb active front is identified;The front track is overlaid with the current rice Pb overproof risk spatial distribution, and the potential Pb activation amplification area is determined;Along the front advancing direction, strip-shaped analysis unit is divided, and Pb pollution risk evolution index is calculated by combining front arrival time and current risk value;Finally, the analysis report containing amplification area position, risk evolution order and leading factor diagnosis result is output.The technical leap of rice field Pb pollution risk from "static status evaluation" to "dynamic evolution prediction" is realized.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

Production process for instant rice blocks and instant rice blocks

PendingCO20260008656A2Process engineeringRice grain
The present invention describes a process for producing a food product, more specifically a ready-to-eat instant rice block that can be reconstituted with a uniquely crispy and sensorially appealing texture in a reduced preparation time, either by conventional cooking or microwave heating. The present process comprises the steps of dosing the rice grains into individual portions; continuous cooking in a two-compartment tunnel with constant water exchange; block molding and compaction; dehydration by frying; and cooling and packaging.
Owner:MILLESIME LTD

A method for enriching polyphenols in rice bran by multi-channel trapping combined cycle adsorption

The application discloses a method for enriching polyphenols in rice bran by a multi-channel interception combined circulation adsorption, and comprises the following steps: (1) raw material pretreatment; (2) ultrasonic-assisted organic solvent crude extraction; (3) multi-channel interception combined circulation adsorption treatment; (4) solvent elution; and (5) vacuum concentration. The method takes rice bran as a raw material, enriches polyphenols in the rice bran by a multi-channel interception combined circulation adsorption, and optimizes enrichment conditions of the polyphenols, so that the prepared rice bran polyphenols have high total phenol content, total flavonoid content and in-vitro antioxidant activity, and the method has the advantages of simple operation, high extraction efficiency and reduced solvent consumption. The method can not only improve the utilization value of the rice bran, but also promote the upgrading of the rice industry and reduce waste.
Owner:ZHEJIANG FORESTRY UNIVERSITY

A restrictive partitioning model for predicting the accumulation of organophosphate esters in rice grains and a construction method thereof

The application discloses a limiting distribution model for predicting accumulation of organic phosphates (OPEs) in rice grains and a construction method thereof, and belongs to the technical field of environmental pollutant migration prediction and agricultural safety. The model is based on the limiting distribution theory, systematically identifies four key links (soil-root absorption, root-stalk transportation, stalk-leaf distribution and leaf-grain migration) of OPEs migration from soil to rice grains and limiting factors of each link, realizes accurate prediction of grain accumulation under different OPEs, different environmental conditions and different rice varieties by quantifying and integrating distribution coefficients of each link. The application calibrates distribution coefficient equations of each link by measuring physical and chemical parameters of OPEs, soil environmental parameters, rice physiological parameters and in-vivo distribution data, the relative error of model prediction is less than or equal to 15%, the model can be applied to farmland OPEs pollution risk assessment, optimization of prevention and control measures and food safety early warning, and has the advantages of strong universality, simple operation and accurate prediction.
Owner:ZHEJIANG NORMAL UNIV

Textile fabric (rice grain pattern leaf pattern)

1. Name of the product in this design: Textile Fabric (Rice Grain Leaf). 2. Purpose of this design: To be used in the production of fabrics for various textiles. 3. The key design features of this product are the combination of pattern and color. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The design for which protection is sought includes color. 6. This design is a two-dimensional product, so the left view, right view, top view, and bottom view are omitted; the rear view has no design features, so the rear view is omitted. 7. This design is a planar product with continuous four sides and no defined boundaries.
Owner:CHANGSHU HONGCHANG WEAVING CO LTD

Rice-grain-shaped bamboo-based hard carbon material, preparation method thereof and sodium ion battery

The invention belongs to the field of sodium ion battery materials, and discloses a preparation method of a rice grain type bamboo-based hard carbon material, which comprises the following steps: pretreating bamboo powder, and separating to obtain bamboo-based refined cellulose and bamboo-based crude lignin; the bamboo-based crude lignin is subjected to solvent graded extraction and demethylation phenol-rich treatment, and demethylation bamboo-based S-G type phenol-rich lignin is obtained; carrying out high-pressure homogenization treatment on the bamboo-based refined cellulose to obtain nano-cellulose, and then carrying out modification treatment to realize hydroxylation so as to obtain hydroxylated nano-cellulose; the preparation method comprises the following steps: dispersing hydroxylated-enriched nanocellulose and demethylated bamboo-based S-G type phenol-enriched lignin into a medium to form a mixed dispersion liquid, and then putting the mixed dispersion liquid into a direct-current electric field to carry out electric field directional coating induction, so that the nanocellulose is directionally arranged and is uniformly coated by the lignin; then curing treatment and forming treatment are carried out; and finally carbonization treatment is carried out. The invention also discloses the hard carbon material and a sodium ion battery. According to the rice-shaped structure, the particle accumulation difference is reduced, the lignin coating layer relieves volume expansion, and the 100-time circulation capacity retention rate reaches 94%.
Owner:HUNAN NANENG TIMES TECH DEV CO LTD

Rice storage method and application

The invention provides a rice storage method and application, and belongs to the technical field of rice storage. The invention provides an unhulled rice storage method. The unhulled rice is stored by adopting a low-temperature combined controlled atmosphere method. The advantages of the two storage conditions are combined, so that the nutritional ingredients of the rice are reserved to the maximum extent, the production benefit and economic benefit of the rice are improved, and the process for improving the storage quality of the rice by combining low temperature and controlled atmosphere is short in operation treatment time, low in energy consumption and suitable for application and popularization. According to the rice storage method provided by the invention, the postpartum loss of the rice is reduced, and the production benefit of the rice is improved; the product quality of the rice is improved, the market value is improved, and the quality construction of the rice is promoted; an efficient production system is favorably established, and the food safety in China is guaranteed.
Owner:ZHEJIANG WANLI UNIV

Genetic engineering application of rice cellulose synthesis gene OsCesA9

The invention discloses genetic engineering application of a rice cellulose synthesis gene OsCesA9, belongs to the field of genetic engineering, and discloses cloning of the gene OsCesA9 participating in regulation and control of rice grain length and application of the gene OsCesA9 in regulation and control of rice grain length. The CDS sequence of the gene is as shown in SEQ ID NO.1, and the cDNA sequence is as shown in SEQ ID NO.9. Overexpression of the rice gene OsCesA9 can increase the grain length of rice without influencing the panicle number of the whole plant, and is beneficial to genetic improvement of rice.
Owner:NANJING AGRICULTURAL UNIVERSITY

Bulk rice grain grinding device based on dynamic pressure adjustment

The invention discloses the technical field of rice grain grinding production, and discloses a rice huller, main body equipment used for rice hulling and a low-speed roller in the rice huller. The low-speed roller is composed of a plurality of sleeves. The inner walls of the sleeves are fixedly connected with inner gear rings, the sleeves are internally provided with first gears, the first gears are externally connected with sensors, and the sensors are used for detecting the torque of the first gears to the first shafts. An adjusting mechanism, a pressure mechanism and a control mechanism are arranged at each gear; the low-speed roller is composed of the multiple sleeves, the distance between each sleeve and the high-speed roller can be automatically adjusted according to self pressure, then dynamic pressure adjustment is completed, meanwhile, due to the fact that the adjusting processes of the sleeves are mutually independent, the defect that in a traditional scheme, an integrated low-speed roller can only conduct overall pressure adjustment can be effectively overcome, and the overall pressure adjustment efficiency is improved. The pressure adjustment of the low-speed roller on the rice is more refined, so that the hulling rate of the rice is effectively improved, and the broken rice rate of the rice is reduced.
Owner:GANZHOU JINDAOREN ECOLOGICAL AGRI DEV CO LTD

A rice grain cleaning machine

The application discloses a rice grain cleaning machine in the field of rice processing devices, which comprises a base and a bottom-opened shell, the shell is fixedly connected to the top of the base, the side wall of the shell is provided with a feeding mechanism and an air inlet mechanism, the top of the base is sequentially provided with a storage box and a plurality of collecting boxes arranged in steps from the end far away from the feeding mechanism to the end close to the feeding mechanism, the collecting box close to the feeding mechanism has the lowest height, the lower end of the base is provided with an extension mechanism, the air inlet mechanism is communicated to the lower side of the guide plate in each collecting box, the top wall of the shell above the collecting box is provided with a dust suction mechanism, the upper end of the side wall of the collecting box far away from the feeding mechanism is provided with a stirring part, and the upper end of the side wall of the collecting box close to the feeding mechanism is provided with a notch. The application can clearly screen out the empty grains, can simultaneously realize the empty grain screening and the quality grading of the rice, and can effectively reduce the dust and other impurities in the rice.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Biomass hot blast stove for drying unhulled rice

The utility model relates to the technical field of agriculture, and discloses a biomass hot-blast stove for drying rice, which comprises a hot-blast stove, the top of the hot-blast stove is fixedly connected with a smoke exhaust pipe, the inner wall of the smoke exhaust pipe is inserted with a filter screen, the left side and the right side of the filter screen are inserted with limiting insertion blocks, and the inner walls of the two limiting insertion blocks are connected through a fixing assembly. Four supporting rods are fixedly connected to the bottom of the hot blast stove, pulleys are rotationally connected to the inner walls of the supporting rods, and the front sides and the rear sides of the pulleys are connected through limiting assemblies so that the pulleys can be fixed. According to the utility model, smoke is filtered through the filter screen, the crank is rotated to enable the two limiting insertion blocks to slide to unfasten the fixation of the filter screen, and the filter screen is pulled out to be replaced and is cleaned and replaced; therefore, the replacement speed of the filter screen is increased, and the working efficiency is improved.
Owner:GUANGXI MAZHONG CEREALS & OILS CO LTD

Method for preventing and controlling cadmium accumulation of rice grains and strengthening zinc concentration at same time

The invention discloses a method for preventing and controlling cadmium accumulation of rice grains and strengthening zinc concentration at the same time, and relates to the technical field of agricultural environment and crop nutrition regulation, the single regulation defect is precisely overcome through the synergistic effect of a compound foliage regulator, salicylic acid and a zinc amino acid chelate are compounded to form the regulator, and the regulation effect is improved. Salicylic acid is utilized to induce synthesis of plant chelating peptide in rice, cadmium vacuole partitioning is enhanced, cadmium transporter protein expression is reduced, and migration of cadmium to grains is prevented and controlled from a transport path; meanwhile, zinc is rapidly supplemented by means of the efficient absorption characteristic of the zinc amino acid chelate, and the zinc amino acid chelate can cooperate with a salicylic acid signal to further inhibit cadmium distribution, so that the problems that a single zinc fertilizer cannot resist cadmium and single salicylic acid cannot be rich in zinc are solved, cadmium resistance and zinc enrichment are synchronously promoted, and meanwhile, dry-wet alternate irrigation in the booting stage and the mature stage is matched, so that the yield is increased. By regulating the soil moisture state, the physiological metabolism environment of the rice is optimized, the absorption and utilization of a regulating agent are promoted, and the vacuole partitioning effect of cadmium and the phloem transfer efficiency of zinc are enhanced.
Owner:JIANGSU LUSHENGFUJIAN AGRICULTURAL TECHNOLOGY CO LTD

Electric cooker capable of preventing bottom burning during cooking

The utility model relates to the technical field of electric rice cookers, and discloses an electric rice cooker capable of preventing bottom burning during cooking, which comprises an electric rice cooker body, the upper part of the electric rice cooker body is fixedly connected with a fixing ring, the fixing ring is internally provided with a sliding groove, the inner periphery of the sliding groove is fixedly connected with fixing blocks, the inner part of the electric rice cooker body is provided with an inner container, and the inner container is internally provided with a sealing ring. Connecting blocks are fixedly connected to the periphery of the exterior of the inner container, inserting blocks are fixedly connected to the sides, away from each other, of the multiple connecting blocks, the multiple inserting blocks are slidably connected to the interior of the fixing block, and a control panel is arranged on the front portion of the electric cooker body. According to the electric rice cooker, the inner container can be conveniently detached and thoroughly cleaned, residual rice grains and stubborn stains are removed, sanitation of the inner container is kept, rice can be heated more evenly, the bottom pasting phenomenon caused by local overheating is avoided, and the risk of bottom pasting is reduced.
Owner:GUANGDONG HANGTONG ELECTRIC CO LTD

Efficient rice huller

The efficient rice huller comprises a rice huller body, the rice huller body comprises a feeding bin, a grinding bin and a base which are sequentially fixed from top to bottom, a discharging bin is fixedly connected to an outlet of the grinding bin, a slag discharging pipe is fixedly connected to the top of the discharging bin, and a discharging opening is formed in the bottom of the discharging bin; the first direction of the grinding bin is perpendicular to the front end face of the rice huller body. A stop block is fixedly connected to the top face of the grinding bin, a guide groove is formed in the bottom of the stop block, a scraping plate is slidably connected into the guide groove, the bottom face of the scraping plate abuts against the periphery of the movable wheel, a spring is fixedly connected into the guide groove, and the spring is fixedly connected between the top face of the scraping plate and the top face of the guide groove. And an outlet of the feeding bin communicates with the grinding bin through a guide pipe.
Owner:HENAN INST OF GRAIN MASCH MFG CO LTD

A method for preparing a prebiotic-containing meat emulsion can

This invention discloses a method for preparing prebiotic-containing minced meat canned food, belonging to the field of canned food preparation technology, including the following steps: removing large pieces of fascia and fat from the hind leg meat, and then cutting it into chunks; adding Mixture No. 1 and fructooligosaccharide syrup to the pork hind leg meat and tumbling it with a positive and negative pressure tumbler, then marinating it; cutting the thick layer of skinless pork belly into small pieces, adding salt and mixing evenly, then marinating it; removing the skin from the chicken breast and mincing it; first, pouring the marinated skinless pork belly and skinless chicken breast into a chopping pot and chopping at high speed until the meat particles are the size of rice grains, then adding the hind leg meat and chopping and stirring, then adding soy protein, Mixture No. 2, ice water and corn starch, stirring evenly at low speed, chopping and stirring, then removing from the pot; then mixing in a vacuum mixer; filling, sealing, sterilizing, heat preservation, packaging and warehousing, and the product is obtained. This invention provides canned minced meat that can regulate the ratio of intestinal flora, improve the intestinal environment, and is a good choice for people who like sweets but also want to lose weight; it can also help with calcium absorption and reduce the formation of tooth decay.
Owner:SUINING SANFENG FOOD CO LTD

Rice seed threshing and sorting device

ActiveKR102994533B1OryzaHusk
The present invention relates to a rice seed dehulling and sorting device, and more specifically, to a rice seed dehulling and sorting device that improves work efficiency by allowing dehulling and sorting to proceed continuously by dehulling a dehulling machine for removing awns from rice seeds, and sorting chaff and husks from rice seeds from which awns have been removed through the dehulling machine, and then separating and discharging them through separate discharge lines. To this end, the present invention comprises a dehulling unit (10) for feeding rice seeds and removing awns from rice seeds, a conveying unit (20) for moving rice seeds discharged from the dehulling unit (10) to the upper side, and a sorting unit (30) for sorting and discharging rice seeds moved to the lower side through the conveying unit (20) into rice seeds, immature rice seeds, chaff, and husks. The dehulling unit (10) comprises a supply hopper (11) with an upper side open to feed rice seeds, and a falling... provided on the lower side of the supply hopper (11) The apparatus comprises a dehulling body (15) having a drive shaft and a plurality of blades inside a horizontal cylinder to remove awns from rice seeds, a discharge channel (15a) provided on the lower side of the dehulling body (15) to discharge rice seeds, and a first motor (17) mounted on a first ground support (19) provided on the lower side of the dehulling body (15) to rotate the drive shaft; the conveying unit (20) comprises a receiving hopper (21) that receives rice seeds dropped through the discharge channel (15a), a conveyor body (25) that moves rice seeds to the upper side of the receiving hopper (21), and a first hose (27) that moves rice seeds moved to the upper side through the conveyor body (25) to the lower side; and the sorting unit (30) comprises a downwardly inclined first-stage inclined body (41) that receives rice seeds fed through the first hose (27), and the It is composed of a downwardly inclined second stage inclined body (51) provided in the reverse direction at the lower end of the first stage inclined body (41), and a downwardly inclined third stage inclined body (67) provided parallel to the lower side of the second stage inclined body (51), and a first discharge path (43) for discharging rice seeds is provided at the lower end of the first stage inclined body (41).A second hose (45) for discharging chaff and husks separated from rice seeds is provided on the upper side of the first inclined body (41), a second discharge passage (52) for discharging immature rice seeds is provided on the lower side of the second inclined body (51), and a third discharge passage (59) for discharging husks is provided on the lower side of the third inclined body (67). The first discharge passage (43), the second discharge passage (52), and the third discharge passage (59) are provided on a second ground support body (31) in the form of a frame, a handle (35) is provided on the rear side of the second ground support body (31), a wheel (33) is provided on the rear lower side of the second ground support body (31), a connecting hole (21a) is vertically formed on the lower side of the side wall of the receiving hopper (21), and the passage gap of the connecting hole (21a) is adjusted. A rice seed sifting and sorting device is provided, characterized in that a spacing adjustment plate (22) is provided to slide on the upper side of a connecting hole (21a), a vertical elongated hole (22a) is formed on the spacing adjustment plate (22), and an adjustment bolt (23) is provided to be coupled to the vertical elongated hole (22a) to fix the position of the spacing adjustment plate (22).
Owner:구진섭 +1

Application of OsCFIm68b gene in regulation and control of Cd resistance of rice and Cd accumulation of grains

The invention discloses an application of an OsCFIm68b gene in regulation and control of Cd resistance of rice and Cd accumulation of grains. The OsCFIm68b gene in rice is knocked out through gene editing to obtain a knockout mutant, and it is found that under the Cd polluted soil culture condition, the length of a main root is shortened, the number of lateral roots is reduced, the length of a total root is shortened, and the Cd concentration of grains is reduced to 1 / 3 of that of a wild type. Therefore, the OsCFIm68b gene is a negative regulatory factor for encoding Cd accumulation of the rice grains, the Cd accumulation of the rice grains can be improved by weakening the expression of the OsCFIm68b gene, the Cd resistance of the rice is improved, and a new gene target is provided for Cd low-accumulation breeding of the rice.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Discharging device of motor bulk material flow scale for rice processing

The utility model provides a discharge device of a motor bulk material flow scale for rice processing, a discharge hopper is installed at the bottom of a flow scale body, an installation assembly is arranged on the outer wall of the discharge hopper, the installation assembly comprises a connecting frame, one end of a connecting assembly is installed on the connecting frame through a sliding assembly, and the other end of the connecting assembly is connected with a motor. The connecting assembly slides on the connecting frame through the sliding assembly, the pushing assemblies are symmetrically installed at the other end of the connecting assembly, and the pushing screw rods rotate to push rice. According to the discharging device of the motor bulk material flow scale for rice processing, peripheral angle adjustment can be conducted on a sliding assembly on a mounting assembly, the angle of a material pushing assembly at an outlet of a discharging hopper is driven to be adjusted, and after a material pushing screw rod in the material pushing assembly rotates, generated spiral pushing action pushes rice, so that the rice processing efficiency is improved. And the rice accumulated in the discharging hopper can be pushed, and the situation that normal discharging is affected due to excessive accumulation of the rice at the discharging hopper is avoided.
Owner:WUCHANG CHANGWANG RICE IND CO LTD

A rapid nondestructive method for detecting fatty acid content of rice

ActiveCN116577283BFatty acidRice grain
This invention discloses a rapid and non-destructive method for detecting the fatty acid content of rice. Hyperspectral images of rice are acquired using a hyperspectral instrument, and a spectral correction method is employed to highlight the spectral information of rice fatty acids and eliminate the spectral influence of the rice husk. This allows for the establishment of a high-precision predictive model for rice fatty acids, achieving rapid and non-destructive detection of rice fatty acid content. This method solves the problems of existing methods, such as destructive nature, complex pretreatment, long processing time, and the need for chemical reagents.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Broken rice screening device for fine rice processing

This utility model discloses a broken rice screening device for refined rice processing, belonging to the field of refined rice processing. It includes a screening box, inside which a set of symmetrical rollers is movably connected via a rotating shaft. A screening belt is fitted around the outer side of each roller, and the screening belt and rollers form a chain drive structure. Inside the screening box, a set of symmetrical rollers is movably connected via a rotating shaft, and a screening belt is fitted around the outer side of each roller. Through the setting of a control component, rollers rotate synchronously with rollers, and under the action of the chain belt and sprockets, the two rollers rotate synchronously, thereby controlling the synchronous rotation of screening belts one and two. This facilitates the synchronous screening of rice grains falling on the screening belts, allowing for simultaneous secondary screening and enabling the separation of rice grains of different sizes, resulting in a finer screening effect.
Owner:CHONGQING YULI TOWNSHIP RICE IND CO LTD

Multifunctional rice husking machine for laboratory

The invention discloses a laboratory multifunctional rice mill which comprises a rice milling unit and a quality detection unit, the rice milling unit is composed of a rice milling machine body and a machine cover arranged on the rice milling machine body, the quality detection unit comprises an image acquisition unit arranged on the rice milling unit, and the image acquisition unit is connected with a processor arranged on one side of the rice milling machine body. The rice milling machine is simple in structure, low in input cost, small in occupied space, capable of completing rice milling and rice grain quality detection at a time, time-saving and efficient in operation, good in practicability and high in generalization performance.
Owner:CENT GRAIN RESERVE GUIYANG DIRECT STORAGE CO LTD